improve test coverage

Author: lkdvos

test/operators.jl

@@ -31,6 +31,15 @@ module TestOperators
             mpo₁ = FiniteMPO(O₁) # type-unstable for now!
             mpo₂ = FiniteMPO(O₂)
             mpo₃ = FiniteMPO(O₃)
+
+            @test @constinferred physicalspace(mpo₁) == fill(V, L)
+            Vleft = @constinferred left_virtualspace(mpo₁)
+            Vright = @constinferred right_virtualspace(mpo₂)
+            for i in 1:L
+                @test Vleft[i] == left_virtualspace(mpo₁, i)
+                @test Vright[i] == right_virtualspace(mpo₁, i)
+            end
+
             @test convert(TensorMap, mpo₁) ≈ O₁
             @test convert(TensorMap, -mpo₂) ≈ -O₂
             @test convert(TensorMap, @constinferred complex(mpo₃)) ≈ complex(O₃)

test/states.jl

@@ -267,6 +267,11 @@ module TestStates
             @test @constinferred physicalspace(ϕ₁) == physicalspace(ψ)
             @test @constinferred left_virtualspace(ϕ₁) == left_virtualspace(ψ)
             @test @constinferred right_virtualspace(ϕ₁) == right_virtualspace(ψ)
+            for i in 1:period
+                @test physicalspace(ψ, i) == physicalspace(ϕ₁, i)
+                @test left_virtualspace(ψ, i) == left_virtualspace(ϕ₁, i)
+                @test right_virtualspace(ψ, i) == right_virtualspace(ϕ₁, i)
+            end
 
             @test norm(axpy!(1, ϕ₁, copy(ϕ₂))) ≤ norm(ϕ₁) + norm(ϕ₂)
             @test norm(ϕ₁) * 3 ≈ norm(ϕ₁ * 3)